Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listMay 24, 2021 18:23

Dmitry Dolgopolov

Score: 5,015

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 24, 2021 17:08	4,988	31,491,728	13,967,000	1,995,000	2,273,280
2	May 24, 2021 18:23	4,988	38,983,546	13,965,000	1,995,000	2,535,424
3	May 24, 2021 18:23	4,989	39,209,198	13,970,000	1,995,000	2,535,424
4	May 24, 2021 17:07	4,991	30,819,191	13,974,000	1,996,000	2,273,280
5	May 24, 2021 17:08	4,993	30,167,818	13,981,000	1,997,000	2,535,424
6	May 24, 2021 17:08	4,993	30,267,849	13,981,000	1,997,000	2,269,184
7	May 24, 2021 18:23	4,994	41,654,875	13,984,000	1,997,000	2,273,280
8	May 24, 2021 17:08	4,996	50,523,402	13,989,000	1,998,000	2,449,408
9	May 24, 2021 17:08	4,996	41,225,667	13,989,000	1,998,000	2,441,216
10	May 24, 2021 17:08	4,996	39,225,237	13,989,000	1,998,000	2,535,424
11	May 24, 2021 17:07	4,997	33,436,161	13,992,000	1,998,000	2,535,424
12	May 24, 2021 18:23	4,998	31,152,397	13,993,000	1,999,000	2,449,408
13	May 24, 2021 17:08	4,999	43,610,412	13,999,000	1,999,000	2,531,328
14	May 24, 2021 17:07	4,999	37,150,888	13,999,000	1,999,000	2,437,120
15	May 24, 2021 17:08	4,999	28,271,855	13,998,000	1,999,000	2,441,216
16	May 24, 2021 18:23	5,000	37,804,287	14,001,000	2,000,000	2,535,424
17	May 24, 2021 18:23	5,001	43,733,955	14,004,000	2,000,000	2,449,408
18	May 24, 2021 17:07	5,001	36,921,417	14,002,000	2,000,000	2,273,280
19	May 24, 2021 17:07	5,003	39,916,018	14,007,000	2,001,000	2,273,280
20	May 24, 2021 17:08	5,004	39,786,927	14,012,000	2,001,000	2,535,424
21	May 24, 2021 17:08	5,004	39,616,531	14,012,000	2,001,000	2,437,120
22	May 24, 2021 17:08	5,004	42,538,030	14,012,000	2,001,000	2,273,280
23	May 24, 2021 17:08	5,006	39,488,950	14,017,000	2,002,000	2,449,408
24	May 24, 2021 18:23	5,006	31,568,787	14,016,000	2,002,000	2,535,424
25	May 24, 2021 18:23	5,008	40,928,308	14,023,000	2,003,000	2,535,424
26	May 24, 2021 18:23	5,008	36,386,144	14,022,000	2,003,000	2,273,280
27	May 24, 2021 18:23	5,011	37,754,327	14,031,000	2,004,000	2,445,312
28	May 24, 2021 18:23	5,011	31,566,884	14,031,000	2,004,000	2,535,424
29	May 24, 2021 18:23	5,011	46,209,711	14,032,000	2,004,000	2,441,216
30	May 24, 2021 17:08	5,014	41,965,584	14,041,000	2,005,000	2,273,280
31	May 24, 2021 17:08	5,015	37,109,003	14,043,000	2,006,000	2,449,408
32	May 24, 2021 18:23	5,016	36,440,070	14,046,000	2,006,000	2,273,280
33	May 24, 2021 18:23	5,017	29,540,155	14,048,000	2,006,000	2,265,088
34	May 24, 2021 18:23	5,018	36,536,095	14,049,000	2,007,000	2,437,120
35	May 24, 2021 17:07	5,019	39,197,654	14,054,000	2,007,000	2,441,216
36	May 24, 2021 18:23	5,020	30,507,082	14,057,000	2,008,000	2,437,120
37	May 24, 2021 18:23	5,021	42,148,410	14,059,000	2,008,000	2,535,424
38	May 24, 2021 17:08	5,021	36,396,103	14,060,000	2,008,000	2,535,424
39	May 24, 2021 17:07	5,023	30,726,541	14,063,000	2,009,000	2,441,216
40	May 24, 2021 17:07	5,023	41,994,816	14,065,000	2,009,000	2,449,408
41	May 24, 2021 18:23	5,025	41,237,054	14,070,000	2,010,000	2,445,312
42	May 24, 2021 17:08	5,025	40,453,937	14,071,000	2,010,000	2,273,280
43	May 24, 2021 17:07	5,028	42,253,767	14,078,000	2,011,000	2,273,280
44	May 24, 2021 17:08	5,028	30,069,917	14,077,000	2,011,000	2,535,424
45	May 24, 2021 17:08	5,028	38,821,772	14,078,000	2,011,000	2,535,424
46	May 24, 2021 17:07	5,232	43,831,694	16,743,202	0	2,199,552
47	May 24, 2021 18:23	5,234	67,319,272	16,749,188	0	2,207,744
48	May 24, 2021 17:07	5,241	71,340,046	16,770,705	0	2,199,552
49	May 24, 2021 18:23	5,248	39,839,553	16,792,521	0	2,207,744
50	May 24, 2021 18:23	5,252	43,958,288	16,807,618	0	2,199,552
51	May 24, 2021 17:08	5,257	48,745,846	16,821,276	0	2,199,552
52	May 24, 2021 17:08	5,259	42,834,179	16,830,333	0	2,195,456
53	May 24, 2021 18:23	5,261	84,339,586	16,836,495	0	2,199,552
54	May 24, 2021 18:23	5,263	63,521,466	16,842,475	0	2,203,648
55	May 24, 2021 17:08	5,275	80,432,250	16,880,569	0	2,203,648
56	May 24, 2021 17:07	5,276	89,091,456	16,881,606	0	2,203,648
57	May 24, 2021 17:08	5,284	47,201,948	16,909,011	0	2,203,648
58	May 24, 2021 17:08	5,288	40,207,404	16,920,713	0	2,207,744
59	May 24, 2021 18:23	5,292	67,069,157	16,934,084	0	2,211,840
60	May 24, 2021 17:08	5,448	68,607,557	17,432,724	0	2,191,360

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1